<template>
  <div :class="{fullscreen:fullscreen}" class="tinymce-container" :style="{width:containerWidth}">
    <textarea :id="tinymceId" class="tinymce-textarea" />
  </div>
</template>

<script>
/**
 * docs:
 * https://panjiachen.github.io/vue-element-admin-site/feature/component/rich-editor.html#tinymce
 */
import plugins from './plugins'
import toolbar from './toolbar'
import load from './dynamicLoadScript'
import{fileUploadUrl}from "@/utils/common"

// why use this cdn, detail see https://github.com/PanJiaChen/tinymce-all-in-one
const tinymceCDN = 'https://cdn.jsdelivr.net/npm/tinymce-all-in-one@4.9.3/tinymce.min.js'

export default {
  name: 'Tinymce',
  components: { },
  props: {
    id: {
      type: String,
      default: function() {
        return 'vue-tinymce-' + +new Date() + ((Math.random() * 1000).toFixed(0) + '')
      }
    },
    value: {
      type: String,
      default: ''
    },
    toolbar: {
      type: Array,
      required: false,
      default() {
        return []
      }
    },
    menubar: {
      type: String,
      default: 'file edit insert view format table'
    },
    height: {
      type: [Number, String],
      required: false,
      default: 360
    },
    width: {
      type: [Number, String],
      required: false,
      default: 'auto'
    }
  },
  data() {
    return {
      hasChange: false,
      hasInit: false,
      tinymceId: this.id,
      fullscreen: false,
      languageTypeList: {
        'en': 'en',
        'zh': 'zh_CN',
        'es': 'es_MX',
        'ja': 'ja'
      }
    }
  },
  computed: {
    containerWidth() {
      const width = this.width
      if (/^[\d]+(\.[\d]+)?$/.test(width)) { // matches `100`, `'100'`
        return `${width}px`
      }
      return width
    }
  },
  watch: {
    value(val) {
      if (!this.hasChange && this.hasInit) {
        this.$nextTick(() =>
          window.tinymce.get(this.tinymceId).setContent(val || ''))
      }
    }
  },
  mounted() {
    this.init()
  },
  activated() {
    if (window.tinymce) {
      this.initTinymce()
    }
  },
  deactivated() {
    this.destroyTinymce()
  },
  destroyed() {
    this.destroyTinymce()
  },
  methods: {
		init() {
     // dynamic load tinymce from cdn
      load(tinymceCDN, (err) => {
			if (err) {
        this.$message.error(err.message)
        return
			}
			this.initTinymce()
     })
		},
		initTinymce() {
      const _this = this
      window.tinymce.init({
			selector: `#${this.tinymceId}`,
			language: this.languageTypeList['zh'],
			height: this.height,
			body_class: 'panel-body ',
			object_resizing: false,
			toolbar: this.toolbar.length > 0 ? this.toolbar : toolbar,
			menubar: this.menubar,
			plugins: plugins,
			end_container_on_empty_block: true,
			powerpaste_word_import: 'clean',
			code_dialog_height: 450,
			code_dialog_width: 1000,
			advlist_bullet_styles: 'square',
			advlist_number_styles: 'default',
			imagetools_cors_hosts: ['www.tinymce.com', 'codepen.io'],
			default_link_target: '_blank',
			link_title: false,
			nonbreaking_force_tab: true, // inserting nonbreaking space &nbsp; need Nonbreaking Space Plugin
			init_instance_callback: editor => {
      if (_this.value) {
				editor.setContent(_this.value)
      }
      _this.hasInit = true
      editor.on('NodeChange Change KeyUp SetContent', () => {
				this.hasChange = true
				this.$emit('input', editor.getContent())
      })
			},
			setup(editor) {
        editor.on('FullscreenStateChanged', (e) => {
          _this.fullscreen = e.state
        })
			},
			// it will try to keep these URLs intact
			// https://www.tiny.cloud/docs-3x/reference/configuration/Configuration3x@convert_urls/
			// https://stackoverflow.com/questions/5196205/disable-tinymce-absolute-to-relative-url-conversions
			convert_urls: true,
			// 整合七牛上传
			// images_dataimg_filter(img) {
			//   setTimeout(() => {
			//     const $image = $(img);
			//     $image.removeAttr('width');
			//     $image.removeAttr('height');
			//     if ($image[0].height && $image[0].width) {
			//       $image.attr('data-wscntype', 'image');
			//       $image.attr('data-wscnh', $image[0].height);
			//       $image.attr('data-wscnw', $image[0].width);
			//       $image.addClass('wscnph');
			//     }
			//   }, 0);
			//   return img
			// },
			images_upload_handler(blobInfo, success, failure, progress) {
       progress(0);	  
       _this.createUpload(blobInfo,success,failure)
      },
      })
		},
    createUpload(blobInfo,success,failure){
    
     let formData = new FormData();
      // formData.append("base64File",file); // 'file' 可变 相当于 input 表单的name 属性
      formData.append('file', blobInfo.blob(), blobInfo.filename());
      formData.append("bucket", 'xcyy-khd'); //'xcyy-khd'
      let config = {
        headers: { "Content-Type": "multipart/form-data" }
      };
      this.axios
        .post(fileUploadUrl, formData, config)
        .then(res => {
          success(res.data.data)
        })
        .catch(() => {
          failure("文件上传失败,请检查网络")
          this.$message.error("文件上传失败,请检查网络");
        });
    },
		destroyTinymce() {
      const tinymce = window.tinymce.get(this.tinymceId)
      if (this.fullscreen) {
       tinymce.execCommand('mceFullScreen')
      }
     if (tinymce) {
			tinymce.destroy()
     }
		},
		setContent(value) {
     window.tinymce.get(this.tinymceId).setContent(value)
		},
		getContent() {
      window.tinymce.get(this.tinymceId).getContent()
		},
    imageSuccessCBK(arr) {
      arr.forEach(v => window.tinymce.get(this.tinymceId).insertContent(`<img class="wscnph" src="${v.url}" >`))
    }
  }
}
</script>

<style lang="scss" scoped>
.tinymce-container {
  position: relative;
  line-height: normal;
}

.tinymce-container {
  ::v-deep {
    .mce-fullscreen {
      z-index: 10000;
    }
  }
}

.tinymce-textarea {
  visibility: hidden;
  z-index: -1;
}

.editor-custom-btn-container {
  position: absolute;
  right: 4px;
  top: 4px;
  /*z-index: 2005;*/
}

.fullscreen .editor-custom-btn-container {
  z-index: 10000;
  position: fixed;
}

.editor-upload-btn {
  display: inline-block;
}
</style>
